Giovanni Lujan, MD
Anatomic Pathology & Clinical Pathology · Columbus, OHNPI 1366426868
Payments from drug & device makers
What this record shows
This record is dominated by consulting fees: $12,147 of the $17,737 with a category attached, or 68.5%. Roche Diagnostics Corporation accounts for 66.4% of it on its own, with 3 other manufacturers making up the rest. Reporting peaked in 2024 at $12,064 and has fallen 98.9% since, to $135 in 2025. Among anatomic pathology & clinical pathology clinicians in OH with any reported payments, this total sits in the top 5% — high for the specialty, which is a reason to read the composition above rather than the number alone.
Across 18 payments — averaging $985.40 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Roche Diagnostics Corporation$12K
- Siemens Medical Solutions USA, Inc.$5K
- Leica Microsystems Inc.$1K
- Philips North America LLC$149
Across 1 payment — averaging $125,276 each. Payments tied to a research study. These frequently flow through the physician to a hospital or research institution rather than to the physician personally.
- Siemens Medical Solutions USA, Inc.$125K
What the payments were for
- Consulting fees$12,14768%
- Speaking & faculty fees$3,75021%
- Travel & lodging$1,0706%
- Food & beverage$7704%
General payments by program year
Who reported the general payments
Companies are grouped under their corporate parent — a single manufacturer often files under several CMS reporting entities. Research and ownership payments are counted separately and are not in this table.
| Company | Payments | Total |
|---|---|---|
| Roche Diagnostics Corporation | 6 | $11,771 |
| Siemens Medical Solutions USA, Inc. | 7 | $4,527 |
| Leica Microsystems Inc. | 3 | $1,290 |
| Philips North America LLC | 2 | $149 |
What the payments were tied to
Products named in the reported payments. Only payments of $100 or more are attributed here — the typical reported payment nationally is a meal worth about $16, and listing those product-by-product would be noise.
How this compares
$17,737 in reported general payments places this provider in the 95th percentile of 325 anatomic pathology & clinical pathology providers in Ohio.
See all anatomic pathology & clinical pathology providers in Ohio →
Medicare billing
What this is not: this is the amount Original Medicare Part B allowed for services this provider billed in 2024. It is not their income. It excludes Medicare Advantage — now more than half of all Medicare enrollment — along with Medicaid and all commercial insurance, and it is gross practice revenue before staff, rent, supplies and malpractice premiums. CMS also suppresses any figure covering ten or fewer patients, so low-volume providers appear smaller than they are.
Other anatomic pathology & clinical pathology in Columbus
- Gary TozbikianColumbus$123K
- Anil ParwaniColumbus$72K
- Erin GoodhueColumbus$16K
- Zaibo LiColumbus$9K
- Wei ChenColumbus$6K
- Gerard LozanskiColumbus$3K
- Nicoleta ArvaColumbus$3K
- Jose PlazaColumbus$2K
- Jay HudginsColumbus$662
- Allen GreenColumbus$639
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Billing: Medicare Physician & Other Practitioners, data year 2024. Original Medicare Part B only.
- Identity: NPPES NPI Registry, July 2026.